Grain-drill.



Patented Aug. l, i899.

, Mauna, wAsH AUNITED 1 Sfrafrns` PATENT OFFICE.

lVlIiIi F. I'IOY'I, OF DOWAGIAC, MICHIGAN.

GRAIN-DRILL.

SPECIFICATION forming part of Letters Patent No. 629,859, dated August 1, 1899.

Application led April 2l, 1899. Serial No. 713,849. (No model.)

'To all whom it nung/concern:

Be it known that I, WILL F. HOYT,a citil zen of the UnitedStavtesnesiding at Dowagiac,

in the county of Cass and Siate of Michigan, `have invented certain new and useful Improvements in Grain-Drills, of lwhich the following is a specification.

My invention has more particular reference vto disk grain-drills, and relates more particularly to the means for regulating the pressure of the press-wheel which followsthe disk to close the furrow in which the grain has been deposited; and my invention consists of the features and details of construction hereinafter described and claimed.

In the drawings, Figure 1 represents a side elevationshowing my improvement. is a front-sectional elevation taken in the line 2 of Fig'. l, looking in the direction of the arrow. Fig. 3 is a transverse section of the hub of the press-wheel and associated parts, taken in the line 3 Vof Fig. l, looking in the direc- 'hereinafter explained. I mount in any convenient and secure way on the main drafthars a plate D, provided-with bent grooves or `channels in its upper face to receive correspondingly-bent ends of the spring draft-rods E, as will be readily understood from an eX- amination of Fig; l. To hold the ends of the spring draft-rods in place securely and 'rigidly, I employ a cap D', provided with correspondingly-shaped grooves in its under face,

'so that when the plate and the cap are arranged together and fastened bya boltd, as shown in Fig. 2, the ends of the spring draftrods will be held in rigid or iiXed relation to the main draft-bars, so that as means are employed-tosink the disk more or less deeply in the ground the rear ends of the spring draftrods will be correspondingly more or less depressed. I mount a press-wheel Fin the rear Fig. 2'

less pressure on the soil.

ends of the spring'draft-rods, so that it will follow the disk and close the furrow and press the soil down upon and around the grain deposited in the furrow. In order that this may be properly done, it is important that the press-Wheel be either sufficiently heavy to press Jthe soil closely and firmly into the furrow and around and upon the grain or that means be employed to give. it the-'requisite pressure upon the soil. In order to assist in securing this latter result, I pivotally attach a rod G to `the rearwardly-ektending lug c on the Vgrain-spout' and carry it up through `a'blook G, pivotally attached through the studs or pintle's g to a part I-I of the frame ofthe grain-drill. The lower end of the rod `G is provided with a number of perforations through which a pin maybe inserted to Q' hold acollar g2 at a desired position up or down. end of the 'redis arranged a coiled spring G2, so that by moving the collar up and down Between this collar and the upper and-,fastening it in different positions by the pin the tension of thespring maybe regulated, as may be desired., so as lto'increase or decrease the pressure on the disk. As the pressure is increased the disk will be forced moredeeply into the soil, and the pressure Vexerted on the disk through theA spring G2 Vwill be communicated to the press wheel through means of the spring draftrods,which,

as already explained, are rigidly connected at their front ends to the holding-plate mounted on the main draft-bars. In like manner as the pressure is decreased through means of the spring G2 the press-wheel will be correspondingly relieved, so that it will bear with The disk and presswheels are permitted'to rise 'and fall as they encounter hard clods, rocks, or other obstructions through the movement of the rod the disk and press-wheel down again into their proper position.

I do not, however,

creasing or decreasing-the pressure of the press-wheel on the ground,but iii-addition y depend entirely upon the means above described for regulatin g-in-l employ other means, which I will now describe.

I insert in the hub I of the press-wheel inner collars J and J', which are made of a size to properly iit the bore of the hub and which are intended to m'eet at the center of the hub, as illustrated in Fig. 3. These collars have circumferential inwardly-projecting flanges K, which surround and inclose the ends of the hub, except at the slots la, where the surface of the hub is exposed. A bore passes longitudinally through the collars to admit the insertion of a bolt L. Outer collars M, adapted to lit against the outer ends of the inner collars and provided with axial holes, are arranged to be held in place by the bolt L, as shown in Fig. 3. The outer face of the inner collars and the inner face of the outer collars are each provided with curved or inclined grooves m, adapted to receive the ends of the spring draft-rods E, as shown in Figs. 1 and 3. The spring draft-rods are curved, bent, or inclined at their rear portion, so that by loosening the nut on the bolt L the outer collars will be loosened, so that the ends of the spring draft-rods will cease to be clamped, when the press-wheel can be adjusted or moved in a vertical plane up or down on the curve or incline and fastened in a new position of adjustment by again tightening the nut on the bolt. Of course as the presswheel is vertically adjusted up or down on the curved or inclined ends of the spring draft-rods its pressure on the ground will be regulated and adj usted to suit the particular work being done. In this way the position, and consequently the pressure, of the presswheel may be regulated at any time without changing the pressure exerted by the spring Grz on the disk-wheel and transmitted through the spring draft-rods E to the press-wheel. By the employment of both means, however, any requisite amount of pressure on the presswheel can always be secured.

Of course it will be understood that any desired implement, as well as a press-wheel, may be mounted on the curved lor inclined ends of the draft-rods and adj usted up and down the curve or incline, so that I do not desire in al1 cases to confine myself to a literal press-wheel.

What I regard as new, and desire to secure by Letters Patent, is-

i. In a gra-in drill, the combination of spring draft-rods rigidly held or secured at their front ends and curved or inclined at their rear ends, and an implement mounted on the curved or inclined ends of the draftrods and adjustable up and down the curve orincline, substantially as. described.

2. In a grain drill, the combination of spring draft-rods, and a press-wheel adjustably mounted on the rear ends thereof so that it may be moved in a vertical plane thereon,

substantially as described.

3. In a grain-drill, the combination of spring draft-rods curved or inclined at their Gaeste rear ends, a press-wheel mounted thereon, and inner and outer collars at each side of the press-wheel between which the curved or inclined ends of the spring draft-rods are held and clamped,'substantially as described.

4. In a grain-drill, the combination of spring draft-rods curved or inclined at their rear ends, a press-wheel mounted thereon, inner collars at each side of the press-wheel provided with hubs extending into the axial opening of the press-wheel, outer collars between which and the inner collars the curved or inclined ends of the spring draft-rods are held and clamped, and bolt-and-nut mech'- anism to hold the inner and outer collars in operative engagement, substantially as devscribed.

5. In a grain drill, t-he combination of spring draft-rods curved or inclined at their rear ends, a press-wheel mounted thereon, inner collars at each side of the press-wheel provided with hubs extending into the axial openin g of the press-wheel and with eccentric grooves on their outer faces, outer collars provided with eccentric grooves on their inner faces in which eccentric grooves of the inner and outer collars the curved or inclined ends of the spring draft-rods are held and clamped, and bolt-and-nut mechanism to hold the inner and outer collars in operative engagement, substantially as described.

6. In a grain-drill, the combination of main draft-bars, a disk mounted therein, a feedspout provided with a rearwardly-extending lug, spring draft-rods rigidly supported at their front ends on the main draft-bars and curved or inclined at their rear ends, a pressvwheel mounted thereon and adjustable up and down the curve or incline, a rod pivoted at its lower end to the rearwardly-extending lug on the grain-spout and extending up to the frame of the machine and having sliding connection at its upper end therewith, a coiled spring surrounding the rod, andmeans for adjusting-the tension of the spring, substantially as described.

7. In a grain-drill, the combination of main draft-bars, a disk mounted therein, a feedspout provided with a rearwardly-extending lug, spring draft-rods rigidly supported atV their front ends on the maindraft-bars and curved or inclined atftheir rear ends, a presswheel mounted thereon and adjustable up and down the curve or incline, a rodpivoted at its lower end to the rearwardly-extending lug of the grain-spout and extendingup a desired distance, a block pivoted to the frame of the machine and provided with a hole in which the upper end of the rodis slidi'ngly received, a coiled spring surrounding the rod below the block, and means for adjusting the vtension of the spring, substantially as described.

WILL F. I-IOYT. Vitnesses:

C. L. FowLn, F. W. JONES'.

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